Audi S4 Tyre & Wheel Specifications Overview
The Audi S4 blends performance and daily usability, meaning correct tyre and wheel setup is critical for handling, comfort, and safety. Below is a complete breakdown of factory specifications across all modern generations.
Need tyres for your Audi S4 in Adelaide?
Autosport Tyre World Magill can help confirm the correct tyre size, load rating, wheel fitment and alignment needs before you order.
Call Magill: 0452 641 023 Get fitted tyre quote View tyres Book wheel alignment
Tyre options and fitment help for Audi S4
Use these links to check available tyre options by size. If you are unsure which size suits your exact model, send us your tyre placard photo before ordering.
| Size / service | Best use | Shop or search | Fitment check |
|---|---|---|---|
| 245/40R18 | Performance, comfort and upgrade options | View 245/40R18 tyre options | Check fitted availability |
| 255/35R19 | Performance, comfort and upgrade options | View 255/35R19 tyre options | Check fitted availability |
| 265/30R20 | 4WD, touring, AT/HT tyre options | View 265/30R20 tyre options | Check fitted availability |
| Wheel alignment | Recommended after tyre or wheel changes | Wheel alignment Adelaide | Call Magill |
Audi S4 Generations Covered
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B8 S4 (2009–2016)
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B9 S4 (2017–2024)
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B9.5 S4 Facelift (2020–2025)
Tyre Sizes & Factory Wheel Specs
Audi S4 B8 (2009–2016)
Factory Tyre Sizes:
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245/40R18 (Base)
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255/35R19 (Optional)
Wheel Specs:
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18x8.0 ET47
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19x8.5 ET43
Audi S4 B9 (2017–2024)
Factory Tyre Sizes:
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245/40R18 (Base)
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255/35R19 (Most common)
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265/30R20 (Optional performance package)
Wheel Specs:
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18x8.0 ET40
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19x8.5 ET40
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20x9.0 ET40
Audi S4 B9.5 Facelift (2020–2025)
Factory Tyre Sizes:
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245/40R18
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255/35R19
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265/30R20
Wheel Specs:
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18x8.0 ET40
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19x8.5 ET40
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20x9.0 ET40
Core Fitment Data (All Audi S4 Models)
| Specification | Detail |
|---|---|
| PCD (Bolt Pattern) | 5x112 |
| Centre Bore | 66.6 mm |
| Wheel Bolt Thread | M14 x 1.5 |
| Seat Type | Ball Seat (OEM) |
| Torque Setting | 120 Nm |
Important Fitment Notes
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Audi uses ball seat wheel bolts, not tapered — incorrect hardware can cause vibration or damage
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Always ensure centre bore is 66.6 mm or use hub-centric rings
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Quattro systems benefit from matched tyre rolling diameters — avoid uneven wear setups
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For 20-inch upgrades, ensure correct load rating and sidewall strength
Recommended Tyres for Audi S4
At Autosport Tyreworld, we recommend the following tyres for Audi S4 depending on driving style:
Performance Street
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Continental MaxContact MC7
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Michelin Pilot Sport 5
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Pirelli P Zero
Comfort & Daily Driving
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Continental PremiumContact C
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Michelin Primacy 4
High Performance / Track
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Michelin Pilot Sport 4S
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Yokohama AD09
Popular Upgrade Fitments
| Wheel Size | Tyre Size | Notes |
|---|---|---|
| 19x8.5 | 255/35R19 | OEM+ upgrade |
| 20x9.0 | 265/30R20 | Aggressive factory+ |
| 20x9.5 | 265/30R20 | Flush fitment |
Why Correct Fitment Matters
Incorrect tyre or wheel specifications can result in:
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ABS / traction control errors
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Premature tyre wear
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Poor handling performance
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Increased fuel consumption
Choosing the right setup ensures your Audi S4 performs exactly as engineered.
Professional Tyre & Wheel Services in Adelaide
Visit Autosport Tyreworld for expert advice, premium tyres, and precision fitting:
Magill
647 Magill Road, Magill SA 5072
PH: 0452 641 023
Wingfield
411 Grand Junction Road, Wingfield SA 5013
PH: 0433 645 411
Clarence Gardens
911 South Road, Clarence Gardens SA 5039
PH: 0420 299 911
Need tyres or wheel alignment for your Audi S4 in Adelaide?
Send us your tyre size, vehicle model or tyre placard photo and the team at Autosport Tyre World Magill will confirm suitable options, availability and fitted advice.
Autosport Tyre World Magill: 647 Magill Road, Magill SA 5072. Phone 0452 641 023.
Call Magill Get fitted tyre quote View tyres Wheel alignment Adelaide